7996871937874 has 4 divisors (see below), whose sum is σ = 11995307906814. Its totient is φ = 3998435968936.

The previous prime is 7996871937853. The next prime is 7996871937881. The reversal of 7996871937874 is 4787391786997.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 5240963169225 + 2755908768649 = 2289315^2 + 1660093^2 .

It is a Smith number, since the sum of its digits (85) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 7996871937791 and 7996871937800.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1999217984467 + ... + 1999217984470.

Almost surely, 2^{7996871937874} is an apocalyptic number.

7996871937874 is a deficient number, since it is larger than the sum of its proper divisors (3998435968940).

7996871937874 is a wasteful number, since it uses less digits than its factorization.

7996871937874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3998435968939.

The product of its digits is 8065516032, while the sum is 85.

The spelling of 7996871937874 in words is "seven trillion, nine hundred ninety-six billion, eight hundred seventy-one million, nine hundred thirty-seven thousand, eight hundred seventy-four".